Fluorescence is known in some fish, scorpions and birds, but never in the 7,000 plus species of amphibians out there.

Scientists, from the Bernardino Rivadavia Natural Sciences Museum in Buenos Aires, found the frogs boost their brightness by up to 30%.

The frog is the only amphibian known to man that is fluorescent (Picture: Getty Images)

‘This is very different from fluorophores found in other vertebrates, which are usually proteins or polyenic chains,’ Dr Maria Gabriella Lagoria, a photochemist at the University of Buenos Aires, told Chemistry World.